When it comes to pitch-shifting, you're not likely to get an experience more streamlined than the Boss XS-1 Poly Shifter. Driven by magical Boss algorithms years in the making, the XS-1 Poly Shifter transforms the overall pitch of your instrument with speedy tracking, crystal-clear response, and zero compromise in tone. Shift down, simulate a capo, land extreme octave jumps, whatever you feel with the XS-1.

The Boss XS-1 Poly Shifter features class-leading pitch-shifting quality as propelled by high-quality Boss algorithms. As you plug in, summon a clear response and a natural feel of your affected instrument signal, whether it be a guitar, bass, or anything else. The fundamental character of your sound remains intact as you shift pitches up or down across seven semitones or across three octaves. An onboard detune function allows players to create rich doubling effects while selectable footswitching allows for toggling or momentary effect engagement. Along with these features, a ¼" expression connection for different tuning setups or linear pitch control.

As a compact, powerful, and expressive pedal designed for pitch-shifting and all the transformative things that can come of it, the Boss XS-1 is a killer example of iconic Boss magic in motion.

• Pitch-shifting effect with seven semitone and three octave range
• Momentary and latching footswitching
• Wet and dry effect balance control
• 1/4" expression control connection
• Standard nine-volt DC power operation
• Nine-volt battery connection